
.childbox{
    background: yellow;
}
.img1{
    width: 100px;
    height: 100px;
}
.formbox{
    border: 1px solid red;
}

.ng-valid[required], .ng-valid.required  {
    border-left: 5px solid #42A948; /* green */
  }
  
  .ng-invalid:not(form)  {
    border-left: 5px solid #a94442; /* red */
  }

  .open-close-container {
    border: 1px solid #dddddd;
    margin-top: 1em;
    padding: 20px 20px 0px 20px;
    color: #000000;
    font-weight: bold;
    font-size: 20px;
  }